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5 | <title>GNU General Public License - GNU Project - Free Software Foundation (FSF)</title> |
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7 | <body> |
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8 | <h3 style="text-align: center;">GNU GENERAL PUBLIC LICENSE</h3> |
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9 | <p style="text-align: center;">Version 3, 29 June 2007</p> |
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10 | |
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11 | <p>Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/></p><p> |
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12 | Everyone is permitted to copy and distribute verbatim copies |
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13 | of this license document, but changing it is not allowed.</p> |
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14 | |
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15 | <h3><a name="preamble"></a>Preamble</h3> |
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16 | |
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17 | <p>The GNU General Public License is a free, copyleft license for |
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18 | software and other kinds of works.</p> |
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19 | |
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20 | <p>The licenses for most software and other practical works are designed |
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21 | to take away your freedom to share and change the works. By contrast, |
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22 | the GNU General Public License is intended to guarantee your freedom to |
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23 | share and change all versions of a program--to make sure it remains free |
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24 | software for all its users. We, the Free Software Foundation, use the |
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25 | GNU General Public License for most of our software; it applies also to |
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26 | any other work released this way by its authors. You can apply it to |
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27 | your programs, too.</p> |
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28 | |
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29 | <p>When we speak of free software, we are referring to freedom, not |
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30 | price. Our General Public Licenses are designed to make sure that you |
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31 | have the freedom to distribute copies of free software (and charge for |
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32 | them if you wish), that you receive source code or can get it if you |
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33 | want it, that you can change the software or use pieces of it in new |
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34 | free programs, and that you know you can do these things.</p> |
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35 | |
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36 | <p>To protect your rights, we need to prevent others from denying you |
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37 | these rights or asking you to surrender the rights. Therefore, you have |
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38 | certain responsibilities if you distribute copies of the software, or if |
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39 | you modify it: responsibilities to respect the freedom of others.</p> |
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40 | |
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41 | <p>For example, if you distribute copies of such a program, whether |
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42 | gratis or for a fee, you must pass on to the recipients the same |
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43 | freedoms that you received. You must make sure that they, too, receive |
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44 | or can get the source code. And you must show them these terms so they |
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45 | know their rights.</p> |
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46 | |
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47 | <p>Developers that use the GNU GPL protect your rights with two steps: |
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48 | (1) assert copyright on the software, and (2) offer you this License |
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49 | giving you legal permission to copy, distribute and/or modify it.</p> |
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50 | |
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51 | <p>For the developers' and authors' protection, the GPL clearly explains |
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52 | that there is no warranty for this free software. For both users' and |
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53 | authors' sake, the GPL requires that modified versions be marked as |
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54 | changed, so that their problems will not be attributed erroneously to |
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55 | authors of previous versions.</p> |
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56 | |
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57 | <p>Some devices are designed to deny users access to install or run |
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58 | modified versions of the software inside them, although the manufacturer |
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59 | can do so. This is fundamentally incompatible with the aim of |
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60 | protecting users' freedom to change the software. The systematic |
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61 | pattern of such abuse occurs in the area of products for individuals to |
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62 | use, which is precisely where it is most unacceptable. Therefore, we |
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63 | have designed this version of the GPL to prohibit the practice for those |
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64 | products. If such problems arise substantially in other domains, we |
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65 | stand ready to extend this provision to those domains in future versions |
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66 | of the GPL, as needed to protect the freedom of users.</p> |
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67 | |
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68 | <p>Finally, every program is threatened constantly by software patents. |
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69 | States should not allow patents to restrict development and use of |
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70 | software on general-purpose computers, but in those that do, we wish to |
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71 | avoid the special danger that patents applied to a free program could |
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72 | make it effectively proprietary. To prevent this, the GPL assures that |
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73 | patents cannot be used to render the program non-free.</p> |
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74 | |
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75 | <p>The precise terms and conditions for copying, distribution and |
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76 | modification follow.</p> |
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77 | |
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78 | <h3><a name="terms"></a>TERMS AND CONDITIONS</h3> |
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79 | |
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80 | <h4><a name="section0"></a>0. Definitions.</h4> |
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81 | |
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82 | <p>“This License” refers to version 3 of the GNU General Public License.</p> |
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83 | |
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84 | <p>“Copyright” also means copyright-like laws that apply to other kinds of |
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85 | works, such as semiconductor masks.</p> |
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86 | |
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87 | <p>“The Program” refers to any copyrightable work licensed under this |
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88 | License. Each licensee is addressed as “you”. “Licensees” and |
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89 | “recipients” may be individuals or organizations.</p> |
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90 | |
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91 | <p>To “modify” a work means to copy from or adapt all or part of the work |
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92 | in a fashion requiring copyright permission, other than the making of an |
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93 | exact copy. The resulting work is called a “modified version” of the |
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94 | earlier work or a work “based on” the earlier work.</p> |
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95 | |
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96 | <p>A “covered work” means either the unmodified Program or a work based |
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97 | on the Program.</p> |
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98 | |
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99 | <p>To “propagate” a work means to do anything with it that, without |
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100 | permission, would make you directly or secondarily liable for |
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101 | infringement under applicable copyright law, except executing it on a |
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102 | computer or modifying a private copy. Propagation includes copying, |
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103 | distribution (with or without modification), making available to the |
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104 | public, and in some countries other activities as well.</p> |
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105 | |
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106 | <p>To “convey” a work means any kind of propagation that enables other |
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107 | parties to make or receive copies. Mere interaction with a user through |
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108 | a computer network, with no transfer of a copy, is not conveying.</p> |
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109 | |
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110 | <p>An interactive user interface displays “Appropriate Legal Notices” |
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111 | to the extent that it includes a convenient and prominently visible |
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112 | feature that (1) displays an appropriate copyright notice, and (2) |
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113 | tells the user that there is no warranty for the work (except to the |
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114 | extent that warranties are provided), that licensees may convey the |
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115 | work under this License, and how to view a copy of this License. If |
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116 | the interface presents a list of user commands or options, such as a |
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117 | menu, a prominent item in the list meets this criterion.</p> |
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118 | |
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119 | <h4><a name="section1"></a>1. Source Code.</h4> |
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120 | |
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121 | <p>The “source code” for a work means the preferred form of the work |
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122 | for making modifications to it. “Object code” means any non-source |
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123 | form of a work.</p> |
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124 | |
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125 | <p>A “Standard Interface” means an interface that either is an official |
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126 | standard defined by a recognized standards body, or, in the case of |
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127 | interfaces specified for a particular programming language, one that |
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128 | is widely used among developers working in that language.</p> |
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129 | |
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130 | <p>The “System Libraries” of an executable work include anything, other |
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131 | than the work as a whole, that (a) is included in the normal form of |
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132 | packaging a Major Component, but which is not part of that Major |
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133 | Component, and (b) serves only to enable use of the work with that |
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134 | Major Component, or to implement a Standard Interface for which an |
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135 | implementation is available to the public in source code form. A |
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136 | “Major Component”, in this context, means a major essential component |
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137 | (kernel, window system, and so on) of the specific operating system |
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138 | (if any) on which the executable work runs, or a compiler used to |
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139 | produce the work, or an object code interpreter used to run it.</p> |
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140 | |
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141 | <p>The “Corresponding Source” for a work in object code form means all |
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142 | the source code needed to generate, install, and (for an executable |
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143 | work) run the object code and to modify the work, including scripts to |
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144 | control those activities. However, it does not include the work's |
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145 | System Libraries, or general-purpose tools or generally available free |
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146 | programs which are used unmodified in performing those activities but |
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147 | which are not part of the work. For example, Corresponding Source |
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148 | includes interface definition files associated with source files for |
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149 | the work, and the source code for shared libraries and dynamically |
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150 | linked subprograms that the work is specifically designed to require, |
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151 | such as by intimate data communication or control flow between those |
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152 | subprograms and other parts of the work.</p> |
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153 | |
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154 | <p>The Corresponding Source need not include anything that users |
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155 | can regenerate automatically from other parts of the Corresponding |
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156 | Source.</p> |
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157 | |
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158 | <p>The Corresponding Source for a work in source code form is that |
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159 | same work.</p> |
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160 | |
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161 | <h4><a name="section2"></a>2. Basic Permissions.</h4> |
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162 | |
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163 | <p>All rights granted under this License are granted for the term of |
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164 | copyright on the Program, and are irrevocable provided the stated |
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165 | conditions are met. This License explicitly affirms your unlimited |
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166 | permission to run the unmodified Program. The output from running a |
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167 | covered work is covered by this License only if the output, given its |
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168 | content, constitutes a covered work. This License acknowledges your |
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169 | rights of fair use or other equivalent, as provided by copyright law.</p> |
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170 | |
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171 | <p>You may make, run and propagate covered works that you do not |
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172 | convey, without conditions so long as your license otherwise remains |
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173 | in force. You may convey covered works to others for the sole purpose |
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174 | of having them make modifications exclusively for you, or provide you |
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175 | with facilities for running those works, provided that you comply with |
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176 | the terms of this License in conveying all material for which you do |
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177 | not control copyright. Those thus making or running the covered works |
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178 | for you must do so exclusively on your behalf, under your direction |
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179 | and control, on terms that prohibit them from making any copies of |
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180 | your copyrighted material outside their relationship with you.</p> |
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181 | |
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182 | <p>Conveying under any other circumstances is permitted solely under |
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183 | the conditions stated below. Sublicensing is not allowed; section 10 |
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184 | makes it unnecessary.</p> |
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185 | |
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186 | <h4><a name="section3"></a>3. Protecting Users' Legal Rights From Anti-Circumvention Law.</h4> |
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187 | |
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188 | <p>No covered work shall be deemed part of an effective technological |
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189 | measure under any applicable law fulfilling obligations under article |
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190 | 11 of the WIPO copyright treaty adopted on 20 December 1996, or |
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191 | similar laws prohibiting or restricting circumvention of such |
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192 | measures.</p> |
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193 | |
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194 | <p>When you convey a covered work, you waive any legal power to forbid |
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195 | circumvention of technological measures to the extent such circumvention |
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196 | is effected by exercising rights under this License with respect to |
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197 | the covered work, and you disclaim any intention to limit operation or |
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198 | modification of the work as a means of enforcing, against the work's |
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199 | users, your or third parties' legal rights to forbid circumvention of |
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200 | technological measures.</p> |
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201 | |
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202 | <h4><a name="section4"></a>4. Conveying Verbatim Copies.</h4> |
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203 | |
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204 | <p>You may convey verbatim copies of the Program's source code as you |
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205 | receive it, in any medium, provided that you conspicuously and |
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206 | appropriately publish on each copy an appropriate copyright notice; |
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207 | keep intact all notices stating that this License and any |
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208 | non-permissive terms added in accord with section 7 apply to the code; |
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209 | keep intact all notices of the absence of any warranty; and give all |
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210 | recipients a copy of this License along with the Program.</p> |
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211 | |
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212 | <p>You may charge any price or no price for each copy that you convey, |
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213 | and you may offer support or warranty protection for a fee.</p> |
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214 | |
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215 | <h4><a name="section5"></a>5. Conveying Modified Source Versions.</h4> |
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216 | |
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217 | <p>You may convey a work based on the Program, or the modifications to |
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218 | produce it from the Program, in the form of source code under the |
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219 | terms of section 4, provided that you also meet all of these conditions:</p> |
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220 | |
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221 | <ul> |
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222 | <li>a) The work must carry prominent notices stating that you modified |
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223 | it, and giving a relevant date.</li> |
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224 | |
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225 | <li>b) The work must carry prominent notices stating that it is |
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226 | released under this License and any conditions added under section |
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227 | 7. This requirement modifies the requirement in section 4 to |
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228 | “keep intact all notices”.</li> |
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229 | |
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230 | <li>c) You must license the entire work, as a whole, under this |
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231 | License to anyone who comes into possession of a copy. This |
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232 | License will therefore apply, along with any applicable section 7 |
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233 | additional terms, to the whole of the work, and all its parts, |
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234 | regardless of how they are packaged. This License gives no |
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235 | permission to license the work in any other way, but it does not |
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236 | invalidate such permission if you have separately received it.</li> |
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237 | |
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238 | <li>d) If the work has interactive user interfaces, each must display |
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239 | Appropriate Legal Notices; however, if the Program has interactive |
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240 | interfaces that do not display Appropriate Legal Notices, your |
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241 | work need not make them do so.</li> |
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242 | </ul> |
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243 | |
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244 | <p>A compilation of a covered work with other separate and independent |
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245 | works, which are not by their nature extensions of the covered work, |
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246 | and which are not combined with it such as to form a larger program, |
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247 | in or on a volume of a storage or distribution medium, is called an |
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248 | “aggregate” if the compilation and its resulting copyright are not |
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249 | used to limit the access or legal rights of the compilation's users |
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250 | beyond what the individual works permit. Inclusion of a covered work |
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251 | in an aggregate does not cause this License to apply to the other |
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252 | parts of the aggregate.</p> |
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253 | |
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254 | <h4><a name="section6"></a>6. Conveying Non-Source Forms.</h4> |
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255 | |
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256 | <p>You may convey a covered work in object code form under the terms |
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257 | of sections 4 and 5, provided that you also convey the |
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258 | machine-readable Corresponding Source under the terms of this License, |
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259 | in one of these ways:</p> |
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260 | |
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261 | <ul> |
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262 | <li>a) Convey the object code in, or embodied in, a physical product |
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263 | (including a physical distribution medium), accompanied by the |
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264 | Corresponding Source fixed on a durable physical medium |
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265 | customarily used for software interchange.</li> |
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266 | |
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267 | <li>b) Convey the object code in, or embodied in, a physical product |
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268 | (including a physical distribution medium), accompanied by a |
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269 | written offer, valid for at least three years and valid for as |
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270 | long as you offer spare parts or customer support for that product |
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271 | model, to give anyone who possesses the object code either (1) a |
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272 | copy of the Corresponding Source for all the software in the |
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273 | product that is covered by this License, on a durable physical |
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274 | medium customarily used for software interchange, for a price no |
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275 | more than your reasonable cost of physically performing this |
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276 | conveying of source, or (2) access to copy the |
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277 | Corresponding Source from a network server at no charge.</li> |
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278 | |
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279 | <li>c) Convey individual copies of the object code with a copy of the |
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280 | written offer to provide the Corresponding Source. This |
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281 | alternative is allowed only occasionally and noncommercially, and |
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282 | only if you received the object code with such an offer, in accord |
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283 | with subsection 6b.</li> |
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284 | |
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285 | <li>d) Convey the object code by offering access from a designated |
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286 | place (gratis or for a charge), and offer equivalent access to the |
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287 | Corresponding Source in the same way through the same place at no |
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288 | further charge. You need not require recipients to copy the |
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289 | Corresponding Source along with the object code. If the place to |
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290 | copy the object code is a network server, the Corresponding Source |
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291 | may be on a different server (operated by you or a third party) |
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292 | that supports equivalent copying facilities, provided you maintain |
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293 | clear directions next to the object code saying where to find the |
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294 | Corresponding Source. Regardless of what server hosts the |
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295 | Corresponding Source, you remain obligated to ensure that it is |
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296 | available for as long as needed to satisfy these requirements.</li> |
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297 | |
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298 | <li>e) Convey the object code using peer-to-peer transmission, provided |
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299 | you inform other peers where the object code and Corresponding |
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300 | Source of the work are being offered to the general public at no |
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301 | charge under subsection 6d.</li> |
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302 | </ul> |
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303 | |
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304 | <p>A separable portion of the object code, whose source code is excluded |
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305 | from the Corresponding Source as a System Library, need not be |
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306 | included in conveying the object code work.</p> |
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307 | |
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308 | <p>A “User Product” is either (1) a “consumer product”, which means any |
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309 | tangible personal property which is normally used for personal, family, |
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310 | or household purposes, or (2) anything designed or sold for incorporation |
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311 | into a dwelling. In determining whether a product is a consumer product, |
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312 | doubtful cases shall be resolved in favor of coverage. For a particular |
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313 | product received by a particular user, “normally used” refers to a |
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314 | typical or common use of that class of product, regardless of the status |
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315 | of the particular user or of the way in which the particular user |
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316 | actually uses, or expects or is expected to use, the product. A product |
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317 | is a consumer product regardless of whether the product has substantial |
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318 | commercial, industrial or non-consumer uses, unless such uses represent |
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319 | the only significant mode of use of the product.</p> |
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320 | |
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321 | <p>“Installation Information” for a User Product means any methods, |
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322 | procedures, authorization keys, or other information required to install |
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323 | and execute modified versions of a covered work in that User Product from |
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324 | a modified version of its Corresponding Source. The information must |
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325 | suffice to ensure that the continued functioning of the modified object |
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326 | code is in no case prevented or interfered with solely because |
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327 | modification has been made.</p> |
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328 | |
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329 | <p>If you convey an object code work under this section in, or with, or |
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330 | specifically for use in, a User Product, and the conveying occurs as |
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331 | part of a transaction in which the right of possession and use of the |
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332 | User Product is transferred to the recipient in perpetuity or for a |
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333 | fixed term (regardless of how the transaction is characterized), the |
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334 | Corresponding Source conveyed under this section must be accompanied |
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335 | by the Installation Information. But this requirement does not apply |
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336 | if neither you nor any third party retains the ability to install |
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337 | modified object code on the User Product (for example, the work has |
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338 | been installed in ROM).</p> |
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339 | |
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340 | <p>The requirement to provide Installation Information does not include a |
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341 | requirement to continue to provide support service, warranty, or updates |
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342 | for a work that has been modified or installed by the recipient, or for |
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343 | the User Product in which it has been modified or installed. Access to a |
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344 | network may be denied when the modification itself materially and |
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345 | adversely affects the operation of the network or violates the rules and |
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346 | protocols for communication across the network.</p> |
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347 | |
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348 | <p>Corresponding Source conveyed, and Installation Information provided, |
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349 | in accord with this section must be in a format that is publicly |
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350 | documented (and with an implementation available to the public in |
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351 | source code form), and must require no special password or key for |
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352 | unpacking, reading or copying.</p> |
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353 | |
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354 | <h4><a name="section7"></a>7. Additional Terms.</h4> |
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355 | |
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356 | <p>“Additional permissions” are terms that supplement the terms of this |
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357 | License by making exceptions from one or more of its conditions. |
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358 | Additional permissions that are applicable to the entire Program shall |
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359 | be treated as though they were included in this License, to the extent |
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360 | that they are valid under applicable law. If additional permissions |
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361 | apply only to part of the Program, that part may be used separately |
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362 | under those permissions, but the entire Program remains governed by |
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363 | this License without regard to the additional permissions.</p> |
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364 | |
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365 | <p>When you convey a copy of a covered work, you may at your option |
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366 | remove any additional permissions from that copy, or from any part of |
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367 | it. (Additional permissions may be written to require their own |
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368 | removal in certain cases when you modify the work.) You may place |
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369 | additional permissions on material, added by you to a covered work, |
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370 | for which you have or can give appropriate copyright permission.</p> |
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371 | |
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372 | <p>Notwithstanding any other provision of this License, for material you |
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373 | add to a covered work, you may (if authorized by the copyright holders of |
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374 | that material) supplement the terms of this License with terms:</p> |
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375 | |
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376 | <ul> |
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377 | <li>a) Disclaiming warranty or limiting liability differently from the |
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378 | terms of sections 15 and 16 of this License; or</li> |
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379 | |
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380 | <li>b) Requiring preservation of specified reasonable legal notices or |
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381 | author attributions in that material or in the Appropriate Legal |
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382 | Notices displayed by works containing it; or</li> |
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383 | |
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384 | <li>c) Prohibiting misrepresentation of the origin of that material, or |
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385 | requiring that modified versions of such material be marked in |
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386 | reasonable ways as different from the original version; or</li> |
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387 | |
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388 | <li>d) Limiting the use for publicity purposes of names of licensors or |
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389 | authors of the material; or</li> |
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390 | |
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391 | <li>e) Declining to grant rights under trademark law for use of some |
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392 | trade names, trademarks, or service marks; or</li> |
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393 | |
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394 | <li>f) Requiring indemnification of licensors and authors of that |
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395 | material by anyone who conveys the material (or modified versions of |
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396 | it) with contractual assumptions of liability to the recipient, for |
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397 | any liability that these contractual assumptions directly impose on |
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398 | those licensors and authors.</li> |
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399 | </ul> |
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400 | |
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401 | <p>All other non-permissive additional terms are considered “further |
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402 | restrictions” within the meaning of section 10. If the Program as you |
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403 | received it, or any part of it, contains a notice stating that it is |
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404 | governed by this License along with a term that is a further |
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405 | restriction, you may remove that term. If a license document contains |
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406 | a further restriction but permits relicensing or conveying under this |
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407 | License, you may add to a covered work material governed by the terms |
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408 | of that license document, provided that the further restriction does |
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409 | not survive such relicensing or conveying.</p> |
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410 | |
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411 | <p>If you add terms to a covered work in accord with this section, you |
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412 | must place, in the relevant source files, a statement of the |
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413 | additional terms that apply to those files, or a notice indicating |
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414 | where to find the applicable terms.</p> |
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415 | |
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416 | <p>Additional terms, permissive or non-permissive, may be stated in the |
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417 | form of a separately written license, or stated as exceptions; |
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418 | the above requirements apply either way.</p> |
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419 | |
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420 | <h4><a name="section8"></a>8. Termination.</h4> |
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421 | |
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422 | <p>You may not propagate or modify a covered work except as expressly |
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423 | provided under this License. Any attempt otherwise to propagate or |
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424 | modify it is void, and will automatically terminate your rights under |
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425 | this License (including any patent licenses granted under the third |
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426 | paragraph of section 11).</p> |
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427 | |
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428 | <p>However, if you cease all violation of this License, then your |
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429 | license from a particular copyright holder is reinstated (a) |
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430 | provisionally, unless and until the copyright holder explicitly and |
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431 | finally terminates your license, and (b) permanently, if the copyright |
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432 | holder fails to notify you of the violation by some reasonable means |
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433 | prior to 60 days after the cessation.</p> |
---|
434 | |
---|
435 | <p>Moreover, your license from a particular copyright holder is |
---|
436 | reinstated permanently if the copyright holder notifies you of the |
---|
437 | violation by some reasonable means, this is the first time you have |
---|
438 | received notice of violation of this License (for any work) from that |
---|
439 | copyright holder, and you cure the violation prior to 30 days after |
---|
440 | your receipt of the notice.</p> |
---|
441 | |
---|
442 | <p>Termination of your rights under this section does not terminate the |
---|
443 | licenses of parties who have received copies or rights from you under |
---|
444 | this License. If your rights have been terminated and not permanently |
---|
445 | reinstated, you do not qualify to receive new licenses for the same |
---|
446 | material under section 10.</p> |
---|
447 | |
---|
448 | <h4><a name="section9"></a>9. Acceptance Not Required for Having Copies.</h4> |
---|
449 | |
---|
450 | <p>You are not required to accept this License in order to receive or |
---|
451 | run a copy of the Program. Ancillary propagation of a covered work |
---|
452 | occurring solely as a consequence of using peer-to-peer transmission |
---|
453 | to receive a copy likewise does not require acceptance. However, |
---|
454 | nothing other than this License grants you permission to propagate or |
---|
455 | modify any covered work. These actions infringe copyright if you do |
---|
456 | not accept this License. Therefore, by modifying or propagating a |
---|
457 | covered work, you indicate your acceptance of this License to do so.</p> |
---|
458 | |
---|
459 | <h4><a name="section10"></a>10. Automatic Licensing of Downstream Recipients.</h4> |
---|
460 | |
---|
461 | <p>Each time you convey a covered work, the recipient automatically |
---|
462 | receives a license from the original licensors, to run, modify and |
---|
463 | propagate that work, subject to this License. You are not responsible |
---|
464 | for enforcing compliance by third parties with this License.</p> |
---|
465 | |
---|
466 | <p>An “entity transaction” is a transaction transferring control of an |
---|
467 | organization, or substantially all assets of one, or subdividing an |
---|
468 | organization, or merging organizations. If propagation of a covered |
---|
469 | work results from an entity transaction, each party to that |
---|
470 | transaction who receives a copy of the work also receives whatever |
---|
471 | licenses to the work the party's predecessor in interest had or could |
---|
472 | give under the previous paragraph, plus a right to possession of the |
---|
473 | Corresponding Source of the work from the predecessor in interest, if |
---|
474 | the predecessor has it or can get it with reasonable efforts.</p> |
---|
475 | |
---|
476 | <p>You may not impose any further restrictions on the exercise of the |
---|
477 | rights granted or affirmed under this License. For example, you may |
---|
478 | not impose a license fee, royalty, or other charge for exercise of |
---|
479 | rights granted under this License, and you may not initiate litigation |
---|
480 | (including a cross-claim or counterclaim in a lawsuit) alleging that |
---|
481 | any patent claim is infringed by making, using, selling, offering for |
---|
482 | sale, or importing the Program or any portion of it.</p> |
---|
483 | |
---|
484 | <h4><a name="section11"></a>11. Patents.</h4> |
---|
485 | |
---|
486 | <p>A “contributor” is a copyright holder who authorizes use under this |
---|
487 | License of the Program or a work on which the Program is based. The |
---|
488 | work thus licensed is called the contributor's “contributor version”.</p> |
---|
489 | |
---|
490 | <p>A contributor's “essential patent claims” are all patent claims |
---|
491 | owned or controlled by the contributor, whether already acquired or |
---|
492 | hereafter acquired, that would be infringed by some manner, permitted |
---|
493 | by this License, of making, using, or selling its contributor version, |
---|
494 | but do not include claims that would be infringed only as a |
---|
495 | consequence of further modification of the contributor version. For |
---|
496 | purposes of this definition, “control” includes the right to grant |
---|
497 | patent sublicenses in a manner consistent with the requirements of |
---|
498 | this License.</p> |
---|
499 | |
---|
500 | <p>Each contributor grants you a non-exclusive, worldwide, royalty-free |
---|
501 | patent license under the contributor's essential patent claims, to |
---|
502 | make, use, sell, offer for sale, import and otherwise run, modify and |
---|
503 | propagate the contents of its contributor version.</p> |
---|
504 | |
---|
505 | <p>In the following three paragraphs, a “patent license” is any express |
---|
506 | agreement or commitment, however denominated, not to enforce a patent |
---|
507 | (such as an express permission to practice a patent or covenant not to |
---|
508 | sue for patent infringement). To “grant” such a patent license to a |
---|
509 | party means to make such an agreement or commitment not to enforce a |
---|
510 | patent against the party.</p> |
---|
511 | |
---|
512 | <p>If you convey a covered work, knowingly relying on a patent license, |
---|
513 | and the Corresponding Source of the work is not available for anyone |
---|
514 | to copy, free of charge and under the terms of this License, through a |
---|
515 | publicly available network server or other readily accessible means, |
---|
516 | then you must either (1) cause the Corresponding Source to be so |
---|
517 | available, or (2) arrange to deprive yourself of the benefit of the |
---|
518 | patent license for this particular work, or (3) arrange, in a manner |
---|
519 | consistent with the requirements of this License, to extend the patent |
---|
520 | license to downstream recipients. “Knowingly relying” means you have |
---|
521 | actual knowledge that, but for the patent license, your conveying the |
---|
522 | covered work in a country, or your recipient's use of the covered work |
---|
523 | in a country, would infringe one or more identifiable patents in that |
---|
524 | country that you have reason to believe are valid.</p> |
---|
525 | |
---|
526 | <p>If, pursuant to or in connection with a single transaction or |
---|
527 | arrangement, you convey, or propagate by procuring conveyance of, a |
---|
528 | covered work, and grant a patent license to some of the parties |
---|
529 | receiving the covered work authorizing them to use, propagate, modify |
---|
530 | or convey a specific copy of the covered work, then the patent license |
---|
531 | you grant is automatically extended to all recipients of the covered |
---|
532 | work and works based on it.</p> |
---|
533 | |
---|
534 | <p>A patent license is “discriminatory” if it does not include within |
---|
535 | the scope of its coverage, prohibits the exercise of, or is |
---|
536 | conditioned on the non-exercise of one or more of the rights that are |
---|
537 | specifically granted under this License. You may not convey a covered |
---|
538 | work if you are a party to an arrangement with a third party that is |
---|
539 | in the business of distributing software, under which you make payment |
---|
540 | to the third party based on the extent of your activity of conveying |
---|
541 | the work, and under which the third party grants, to any of the |
---|
542 | parties who would receive the covered work from you, a discriminatory |
---|
543 | patent license (a) in connection with copies of the covered work |
---|
544 | conveyed by you (or copies made from those copies), or (b) primarily |
---|
545 | for and in connection with specific products or compilations that |
---|
546 | contain the covered work, unless you entered into that arrangement, |
---|
547 | or that patent license was granted, prior to 28 March 2007.</p> |
---|
548 | |
---|
549 | <p>Nothing in this License shall be construed as excluding or limiting |
---|
550 | any implied license or other defenses to infringement that may |
---|
551 | otherwise be available to you under applicable patent law.</p> |
---|
552 | |
---|
553 | <h4><a name="section12"></a>12. No Surrender of Others' Freedom.</h4> |
---|
554 | |
---|
555 | <p>If conditions are imposed on you (whether by court order, agreement or |
---|
556 | otherwise) that contradict the conditions of this License, they do not |
---|
557 | excuse you from the conditions of this License. If you cannot convey a |
---|
558 | covered work so as to satisfy simultaneously your obligations under this |
---|
559 | License and any other pertinent obligations, then as a consequence you may |
---|
560 | not convey it at all. For example, if you agree to terms that obligate you |
---|
561 | to collect a royalty for further conveying from those to whom you convey |
---|
562 | the Program, the only way you could satisfy both those terms and this |
---|
563 | License would be to refrain entirely from conveying the Program.</p> |
---|
564 | |
---|
565 | <h4><a name="section13"></a>13. Use with the GNU Affero General Public License.</h4> |
---|
566 | |
---|
567 | <p>Notwithstanding any other provision of this License, you have |
---|
568 | permission to link or combine any covered work with a work licensed |
---|
569 | under version 3 of the GNU Affero General Public License into a single |
---|
570 | combined work, and to convey the resulting work. The terms of this |
---|
571 | License will continue to apply to the part which is the covered work, |
---|
572 | but the special requirements of the GNU Affero General Public License, |
---|
573 | section 13, concerning interaction through a network will apply to the |
---|
574 | combination as such.</p> |
---|
575 | |
---|
576 | <h4><a name="section14"></a>14. Revised Versions of this License.</h4> |
---|
577 | |
---|
578 | <p>The Free Software Foundation may publish revised and/or new versions of |
---|
579 | the GNU General Public License from time to time. Such new versions will |
---|
580 | be similar in spirit to the present version, but may differ in detail to |
---|
581 | address new problems or concerns.</p> |
---|
582 | |
---|
583 | <p>Each version is given a distinguishing version number. If the |
---|
584 | Program specifies that a certain numbered version of the GNU General |
---|
585 | Public License “or any later version” applies to it, you have the |
---|
586 | option of following the terms and conditions either of that numbered |
---|
587 | version or of any later version published by the Free Software |
---|
588 | Foundation. If the Program does not specify a version number of the |
---|
589 | GNU General Public License, you may choose any version ever published |
---|
590 | by the Free Software Foundation.</p> |
---|
591 | |
---|
592 | <p>If the Program specifies that a proxy can decide which future |
---|
593 | versions of the GNU General Public License can be used, that proxy's |
---|
594 | public statement of acceptance of a version permanently authorizes you |
---|
595 | to choose that version for the Program.</p> |
---|
596 | |
---|
597 | <p>Later license versions may give you additional or different |
---|
598 | permissions. However, no additional obligations are imposed on any |
---|
599 | author or copyright holder as a result of your choosing to follow a |
---|
600 | later version.</p> |
---|
601 | |
---|
602 | <h4><a name="section15"></a>15. Disclaimer of Warranty.</h4> |
---|
603 | |
---|
604 | <p>THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY |
---|
605 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT |
---|
606 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY |
---|
607 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, |
---|
608 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
---|
609 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM |
---|
610 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF |
---|
611 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.</p> |
---|
612 | |
---|
613 | <h4><a name="section16"></a>16. Limitation of Liability.</h4> |
---|
614 | |
---|
615 | <p>IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING |
---|
616 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS |
---|
617 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY |
---|
618 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE |
---|
619 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF |
---|
620 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD |
---|
621 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), |
---|
622 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF |
---|
623 | SUCH DAMAGES.</p> |
---|
624 | |
---|
625 | <h4><a name="section17"></a>17. Interpretation of Sections 15 and 16.</h4> |
---|
626 | |
---|
627 | <p>If the disclaimer of warranty and limitation of liability provided |
---|
628 | above cannot be given local legal effect according to their terms, |
---|
629 | reviewing courts shall apply local law that most closely approximates |
---|
630 | an absolute waiver of all civil liability in connection with the |
---|
631 | Program, unless a warranty or assumption of liability accompanies a |
---|
632 | copy of the Program in return for a fee.</p> |
---|
633 | |
---|
634 | <p>END OF TERMS AND CONDITIONS</p> |
---|
635 | |
---|
636 | <h3><a name="howto"></a>How to Apply These Terms to Your New Programs</h3> |
---|
637 | |
---|
638 | <p>If you develop a new program, and you want it to be of the greatest |
---|
639 | possible use to the public, the best way to achieve this is to make it |
---|
640 | free software which everyone can redistribute and change under these terms.</p> |
---|
641 | |
---|
642 | <p>To do so, attach the following notices to the program. It is safest |
---|
643 | to attach them to the start of each source file to most effectively |
---|
644 | state the exclusion of warranty; and each file should have at least |
---|
645 | the “copyright” line and a pointer to where the full notice is found.</p> |
---|
646 | |
---|
647 | <pre> <one line to give the program's name and a brief idea of what it does.> |
---|
648 | Copyright (C) <year> <name of author> |
---|
649 | |
---|
650 | This program is free software: you can redistribute it and/or modify |
---|
651 | it under the terms of the GNU General Public License as published by |
---|
652 | the Free Software Foundation, either version 3 of the License, or |
---|
653 | (at your option) any later version. |
---|
654 | |
---|
655 | This program is distributed in the hope that it will be useful, |
---|
656 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
657 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
658 | GNU General Public License for more details. |
---|
659 | |
---|
660 | You should have received a copy of the GNU General Public License |
---|
661 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
---|
662 | </pre> |
---|
663 | |
---|
664 | <p>Also add information on how to contact you by electronic and paper mail.</p> |
---|
665 | |
---|
666 | <p>If the program does terminal interaction, make it output a short |
---|
667 | notice like this when it starts in an interactive mode:</p> |
---|
668 | |
---|
669 | <pre> <program> Copyright (C) <year> <name of author> |
---|
670 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. |
---|
671 | This is free software, and you are welcome to redistribute it |
---|
672 | under certain conditions; type `show c' for details. |
---|
673 | </pre> |
---|
674 | |
---|
675 | <p>The hypothetical commands `show w' and `show c' should show the appropriate |
---|
676 | parts of the General Public License. Of course, your program's commands |
---|
677 | might be different; for a GUI interface, you would use an “about box”.</p> |
---|
678 | |
---|
679 | <p>You should also get your employer (if you work as a programmer) or school, |
---|
680 | if any, to sign a “copyright disclaimer” for the program, if necessary. |
---|
681 | For more information on this, and how to apply and follow the GNU GPL, see |
---|
682 | <http://www.gnu.org/licenses/>.</p> |
---|
683 | |
---|
684 | <p>The GNU General Public License does not permit incorporating your program |
---|
685 | into proprietary programs. If your program is a subroutine library, you |
---|
686 | may consider it more useful to permit linking proprietary applications with |
---|
687 | the library. If this is what you want to do, use the GNU Lesser General |
---|
688 | Public License instead of this License. But first, please read |
---|
689 | <http://www.gnu.org/philosophy/why-not-lgpl.html>.</p> |
---|
690 | |
---|
691 | |
---|
692 | </body></html> |
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